• Jiayou Zhang, Yabing Wu, Junhui Liu, Shaolin Han, Lijuan Chen, Hui Wang, and Yu Peng.
• Hematology, 416 Hospital of Nuclear Industry, Second Affiliated Hospital of Chengdu Medical College, Chengdu, China.
• Ann Palliat Med. 2021 May 1; 10 (5): 5549-5560.

BackgroundWhen it comes to the treatment of aplastic anemia fever, the Guidelines for Aplastic Anemia regards Anti-thymocyte globulin (ATG) combined with eltrombopag as the standard immunosuppressive treatment plan, and ATG is the main mode to treat severe aplastic anemia. A large number of prospective studies and clinical trials have confirmed the clinical application value of eltrombopag in aplastic anemia. Although ATG combined with eltrombopag brings satisfactory treatment results, the safety of long-term use is still unclear. Therefore, more clinical trial studies are needed to verify its safety.MethodsLiterature in the Chinese and English medical databases was searched using the following search terms: "Antithymocyte globulin", "severed aplastic anemia" and "eltrombopag". Patients in the experimental group were administered ATG combined with eltrombopag and patients in the control group received ATG treatment alone. Rev Man5.3 software was used for meta-analysis.ResultsA total of 16 references were included in this meta-analysis. Heterogeneity tests examining total effective rate demonstrated that Chi2 =4.48, df =15, I2=0%<50%, and P=1.00>0.01. The effective rate of the experimental group was higher than that of the control group, with odds ratio (OR) =1.90 and 95% confidence interval (CI) 1.35 to 2.68 (Z=3.70, P=0.0002). The heterogeneity test results of the survival rate within 2 years were Chi2 =3.09, df =7, I2=0%<50%, and P=0.88>0.01. The survival rate of the experimental group was higher than that of the control group, with OR =2.54, and 95% CI: 1.58 to 4.09 (Z=3.84, P=0.0001). The heterogeneity test results of the mortality rate were Chi2 =3.49, df =6, I2=0%<50%, and P=0.75>0.01. The mortality rate of the experimental group was lower than that of the control group, with OR =0.48 and 95% CI: 0.33 to 0.70 (Z=3.84, P=0.0001). The heterogeneity test results of the occurrence of side effects were Chi2 =0.12, df =3, I2=0%<50%, P=0.99>0.01. The incidence of side effects in the experimental group was lower than that in the control group, with OR =0.74, 95% CI: 0.48 to 1.17 (Z=1.29, P=0.20).DiscussionThis meta-analysis demonstrated that the combination of ATG with eltrombopag in the treatment of SAA is safer and more effective than ATG alone.

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